#12292B

Closest named color: Jet (#212529). oklch(26.3% 0.029 202.9), rgb(18, 41, 43).

Aa

White text reads best on this color (15.24:1).

About this color

#12292B is a dark close to neutral grey. In OKLCH its lightness is 26%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.024 away. White text reads best on it, at 15.24:1.

Hue familyNeutrals
Lightnessdark (26%)
Chromaclose to neutral grey (0.029)
Temperatureneutral
Nearest nameJet (#212529)
Black text1.37:1
White text15.24:1

Values

HEX#12292B
RGBrgb(18, 41, 43)
HSLhsl(185, 41%, 12%)
OKLCHoklch(26.3% 0.029 202.9)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #12292B 15.24:1 AAA Lc -104.8 Preferred for body text
Black text on #12292B 1.37:1 Fails Lc 0.0 Not readable
#12292B text on white 15.24:1 AAA Lc 102.1 Preferred for body text
#12292B text on black 1.37:1 Fails Lc 0.0 Not readable

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.

  1. Step 50

    50

    #F2F6F7

    oklch(97% 0.004 214.3)

  2. Step 100

    100

    #E3ECED

    oklch(93.7% 0.01 204.9)

  3. Step 200

    200

    #CBDDDF

    oklch(88.5% 0.019 204.8)

  4. Step 300

    300

    #A8C8CA

    oklch(81% 0.034 201.2)

  5. Step 400

    400

    #77ABB0

    oklch(70.7% 0.055 203.5)

  6. Step 500

    500

    #51969C

    oklch(63% 0.07 202.9)

  7. Step 600

    600

    #318187

    oklch(55.7% 0.077 202.1)

  8. Step 700

    700

    #226D73

    oklch(49.2% 0.072 202.8)

  9. Step 800

    800

    #1F585D

    oklch(42.6% 0.059 203.3)

  10. Step 900

    900

    #20494C

    oklch(37.7% 0.046 201.8)

  11. Step 950

    950 (this color)

    #12292B

    oklch(26.3% 0.029 202.9)

Export this scale for Tailwind in the Tailwind colors tool

#12292B with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#26272B0.030
Deuteranopia (no green cones)#22242B0.028
Tritanopia (no blue cones)#052B2A0.014
Achromatopsia (no color)#2525250.029

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #12292B

    #12292B

    oklch(26.3% 0.029 202.9)

  • #321F1E

    #321F1E

    oklch(26.3% 0.03 22.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #12292B

    #12292B

    oklch(26.3% 0.029 202.9)

  • #152923

    #152923

    oklch(26.2% 0.029 172.9)

  • #162731

    #162731

    oklch(26.3% 0.029 235.3)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #12292B

    #12292B

    oklch(26.3% 0.029 202.9)

  • #301F26

    #301F26

    oklch(26.3% 0.029 352.8)

  • #302117

    #302117

    oklch(26.3% 0.029 54.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #12292B

    #12292B

    oklch(26.3% 0.029 202.9)

  • #2C202D

    #2C202D

    oklch(26.3% 0.029 323.8)

  • #2C2414

    #2C2414

    oklch(26.5% 0.03 84)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #12292B

    #12292B

    oklch(26.3% 0.029 202.9)

  • #252232

    #252232

    oklch(26.3% 0.03 292.8)

  • #321F1E

    #321F1E

    oklch(26.3% 0.03 22.6)

  • #252616

    #252616

    oklch(26.3% 0.028 111.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #12292B, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #12292B in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.